Public telephone set

Abstract

A public telephone set includes a card controller for reading information recorded in a card and performing conveyance and data processing of the card on the basis of the read information, and a speech controller for performing speech control corresponding to types of cards on the basis of data from the card controller. The card controller includes a card guide port, connected to a first convey path, for receiving plural types of cards and dispensing only a specific type of card, a return port, connected to a second convey path, for dispensing only remaining types of cards which are not dispensed to the card guide port, and a card selector mechanism for switching the cards into the first and second convey paths on the basis of a property inherent to the types of cards inserted into the card guide port, whereby charging processing corresponding to different types of cards is performed.

Dependencies are inferred from the claim text.